Home / 105,721.63-158,565.55-30,824.26

Finding the Fourth Proportional to 105,721.63, 158,565.55 and 30,824.26

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Solution

The fourth proportional to 105,721.63, 158,565.55 and 30,824.26 is: 46,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,721.63 : 158,565.55 = 30,824.26 : x
  2. Step 2: Convert to fraction form
    105,721.63/158,565.55 = 30,824.26/x
  3. Step 3: Cross multiply
    105,721.63x = 158,565.55 × 30,824.26
  4. Step 4: Simplify right side
    105,721.63x = 4,887,664,947.42
  5. Step 5: Solve for x
    x = 4,887,664,947.42/105,721.63
  6. Step 6: Final answer
    x = 46,231.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.